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Do animals bite more during a full moon? Retrospective observational analysis
BMJ 2000; 321 doi: https://doi.org/10.1136/bmj.321.7276.1559 (Published 23 December 2000) Cite this as: BMJ 2000;321:1559Data supplement
Incidence rate ratios (95% confidence intervals) for the different periods of the lunar cycle, with period 5 as the reference period
Period
IRR
95%CI
P value
1
0.509
(0.414, 0 .625)
<0.001
2
0.557
(0.456, 0.680)
<0.001
3
0.606
(0.498, 0.736)
<0.001
4
0.747
(0.622, 0.897)
0.002
5
1.000
—
—
6
0.576
(0.472, 0.702)
<0.001
7
0.527
(0.430, 0.646)
<0.001
8
0.542
(0.443, 0.663)
<0.001
9
0.550
(0.450, 0.672)
<0.001
10
0.613
(0.505, 0.744)
<0.001
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